to display fear, cowardice, trepidation, and a yellow stripe that starts at the base of your shoulder blade and beelines straight down toward your spine, when you're confronted by an aggressive and intimidating person who calls you out. To run in the opposite direction with your tail between your legs when aggressively confronted.
The ghetto hamster confronted Lee in the dark alley and demanded his wallet and all of its contents. Lee's knees began to quiver, accompanied by a sudden backdoor gush in his skivvies. Lee definitely punked down to the mulignan that day.